Year current US$ 1970 178912116.21677312 1971 182399240.74659917 1972 199083145.81458145 1973 262352694.6804796 1974 380157924.0449939 1975 409750864.6658485 1976 456620115.1166313 1977 565700620.1077564 1978 639163194.8312353 1979 847294011.976048 1980 1080289709.1722596 1981 1001867673.179396 1982 945154375 1983 858687779.2117541 1984 842635347.7977464 1985 884790812.591508 1986 1059441664.845969 1987 1374164264.413519 1988 1613825872.5833657 1989 1747152500.6159153 1990 2258063352.694854 1991 2416347144.754316 1992 2680610176.3359804 1993 2549153958.450309 1994 2870834261.0473704 1995 4907712791.828794 1996 4735774178.180086 1997 4404963852.741631 1998 4649790032.04774 1999 4800827593.628928 2000 5224306697.013825 2001 4613063207.780922 2002 4940016154.046173 2003 6013495698.738613 2004 6678629805.759939 2005 7315905766.119461 2006 8841301739.528555 2007 10546509379.960306 2008 13664973117.208115 2009 12864369743.603474 2010 13634151264.082624 2011 15336863331.520544 2012 15096877214.25653 2013 15653107005.944923 2014 16023781615.105856 2015 16066236197.05979 2016 16943113264.841087 2017 18712852346.50793 2018 21873184228.93739 2019 23262930969.01865 2020 24277900269.0684 2021 26914693525.311832 2022 28028104064.491737 2023 30867544288.079884